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Webster 1913 Edition

Noun.

[Cam

phor

+ acet

one

(Chem.)

A yellow crystalline substance, having a geraniumlike odor, regarded as a complex derivative of acetone, and obtained from certain camphor compounds.

phorone ‎(uncountable)

(organic chemistry) The unsaturated aliphatic ketone 2,6-dimethyl-2,5-heptadien-4-one obtained from camphor; diisopropylidene acetone